I had something similar reported for JFreeChart running on JavaFX - see this
thread:
http://www.jfree.org/forum/viewtopic.php?f=3=117577
In the end it seems to have been caused by UI calls coming from another thread,
so you should check if your code is doing this.
Best regards,
David Gilbert
I have implemented a "candle stick chart" using the JavaFX canvas API. I
have transitioned from using the charts API because after experimenting
heavily with the chart API I came to the conclusion that for a
(auto)-zooming, scrolling, and dynamically updated chart with various
graphical indicators
